Take the time to do the marcotting means that the winemaker is happy with the results of these stocks and it will not replace them with others. This implies that he spends much time on his vineyard and not just on the tractor

Denis and son in law Jerome are conscientious winegrowers and I thank them for their explanations contained in these videos: :

If you find a winegrower that spends as much time in his vineyard, the quality will be to the appointment.